12122184240 has 60 divisors (see below), whose sum is σ = 40710337824. Its totient is φ = 3232582272.

The previous prime is 12122184233. The next prime is 12122184257. The reversal of 12122184240 is 4248122121.

12122184240 is a `hidden beast` number, since 1 + 21 + 2 + 218 + 424 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8417464 + ... + 8418903.

Almost surely, 2^12122184240 is an apocalyptic number.

12122184240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122184240 is an abundant number, since it is smaller than the sum of its proper divisors (28588153584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12122184240 is a wasteful number, since it uses less digits than its factorization.

12122184240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16836386 (or 16836377 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The spelling of 12122184240 in words is "twelve billion, one hundred twenty-two million, one hundred eighty-four thousand, two hundred forty".